2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _OPENSOLARIS_SYS_VNODE_H_
30 #define _OPENSOLARIS_SYS_VNODE_H_
35 typedef struct vnode vnode_t;
36 typedef struct vattr vattr_t;
37 typedef enum vtype vtype_t;
39 #include <sys/namei.h>
40 enum symfollow { NO_FOLLOW = NOFOLLOW };
43 #include_next <sys/vnode.h>
44 #include <sys/mount.h>
46 #include <sys/fcntl.h>
48 #include <sys/filedesc.h>
49 #include <sys/syscallsubr.h>
51 typedef struct vop_vector vnodeops_t;
52 #define vop_fid vop_vptofh
53 #define vop_fid_args vop_vptofh_args
56 #define IS_XATTRDIR(dvp) (0)
58 #define v_count v_usecount
60 #define V_APPEND VAPPEND
63 vn_is_readonly(vnode_t *vp)
65 return (vp->v_mount->mnt_flag & MNT_RDONLY);
67 #define vn_vfswlock(vp) (0)
68 #define vn_vfsunlock(vp) do { } while (0)
69 #define vn_ismntpt(vp) ((vp)->v_type == VDIR && (vp)->v_mountedhere != NULL)
70 #define vn_mountedvfs(vp) ((vp)->v_mountedhere)
71 #define vn_has_cached_data(vp) ((vp)->v_object != NULL && (vp)->v_object->resident_page_count > 0)
72 #define vn_exists(vp) do { } while (0)
73 #define vn_invalid(vp) do { } while (0)
74 #define vn_renamepath(tdvp, svp, tnm, lentnm) do { } while (0)
75 #define vn_free(vp) do { } while (0)
77 #define VN_HOLD(v) vref(v)
78 #define VN_RELE(v) vrele(v)
79 #define VN_URELE(v) vput(v)
81 #define VOP_REALVP(vp, vpp, ct) (*(vpp) = (vp), 0)
83 #define vnevent_create(vp, ct) do { } while (0)
84 #define vnevent_link(vp, ct) do { } while (0)
85 #define vnevent_remove(vp, dvp, name, ct) do { } while (0)
86 #define vnevent_rmdir(vp, dvp, name, ct) do { } while (0)
87 #define vnevent_rename_src(vp, dvp, name, ct) do { } while (0)
88 #define vnevent_rename_dest(vp, dvp, name, ct) do { } while (0)
89 #define vnevent_rename_dest_dir(vp, ct) do { } while (0)
91 #define specvp(vp, rdev, type, cr) (VN_HOLD(vp), (vp))
92 #define MANDMODE(mode) (0)
93 #define chklock(vp, op, offset, size, mode, ct) (0)
94 #define cleanlocks(vp, pid, foo) do { } while (0)
95 #define cleanshares(vp, pid) do { } while (0)
98 * We will use va_spare is place of Solaris' va_mask.
99 * This field is initialized in zfs_setattr().
101 #define va_mask va_spare
102 /* TODO: va_fileid is shorter than va_nodeid !!! */
103 #define va_nodeid va_fileid
104 /* TODO: This field needs conversion! */
105 #define va_nblocks va_bytes
106 #define va_blksize va_blocksize
107 #define va_seq va_gen
109 #define MAXOFFSET_T OFF_MAX
112 #define ACCESSED (AT_ATIME)
113 #define STATE_CHANGED (AT_CTIME)
114 #define CONTENT_MODIFIED (AT_MTIME | AT_CTIME)
117 vattr_init_mask(vattr_t *vap)
122 if (vap->va_type != VNON)
123 vap->va_mask |= AT_TYPE;
124 if (vap->va_uid != (uid_t)VNOVAL)
125 vap->va_mask |= AT_UID;
126 if (vap->va_gid != (gid_t)VNOVAL)
127 vap->va_mask |= AT_GID;
128 if (vap->va_size != (u_quad_t)VNOVAL)
129 vap->va_mask |= AT_SIZE;
130 if (vap->va_atime.tv_sec != VNOVAL)
131 vap->va_mask |= AT_ATIME;
132 if (vap->va_mtime.tv_sec != VNOVAL)
133 vap->va_mask |= AT_MTIME;
134 if (vap->va_mode != (u_short)VNOVAL)
135 vap->va_mask |= AT_MODE;
136 if (vap->va_flags != VNOVAL)
137 vap->va_mask |= AT_XVATTR;
140 #define FCREAT O_CREAT
141 #define FTRUNC O_TRUNC
142 #define FDSYNC FFSYNC
143 #define FRSYNC FFSYNC
146 #define FIGNORECASE 0x00
149 vn_openat(char *pnamep, enum uio_seg seg, int filemode, int createmode,
150 vnode_t **vpp, enum create crwhy, mode_t umask, struct vnode *startvp,
153 struct thread *td = curthread;
154 struct filedesc *fdc;
156 int error, operation;
158 ASSERT(seg == UIO_SYSSPACE);
159 if ((filemode & FCREAT) != 0) {
160 ASSERT(filemode == (FWRITE | FCREAT | FTRUNC | FOFFMAX));
161 ASSERT(crwhy == CRCREAT);
164 ASSERT(filemode == (FREAD | FWRITE | FOFFMAX));
170 fdc = td->td_proc->p_fd;
172 if (fdc->fd_rdir == NULL) {
173 fdc->fd_rdir = rootvnode;
176 if (fdc->fd_cdir == NULL) {
177 fdc->fd_cdir = rootvnode;
180 FILEDESC_XUNLOCK(fdc);
184 NDINIT_ATVP(&nd, operation, MPSAFE, UIO_SYSSPACE, pnamep, startvp, td);
185 filemode |= O_NOFOLLOW;
186 error = vn_open_cred(&nd, &filemode, createmode, 0, td->td_ucred, NULL);
187 NDFREE(&nd, NDF_ONLY_PNBUF);
189 /* We just unlock so we hold a reference. */
190 VOP_UNLOCK(nd.ni_vp, 0);
197 zfs_vn_open(char *pnamep, enum uio_seg seg, int filemode, int createmode,
198 vnode_t **vpp, enum create crwhy, mode_t umask)
201 return (vn_openat(pnamep, seg, filemode, createmode, vpp, crwhy,
204 #define vn_open(pnamep, seg, filemode, createmode, vpp, crwhy, umask) \
205 zfs_vn_open((pnamep), (seg), (filemode), (createmode), (vpp), (crwhy), (umask))
207 #define RLIM64_INFINITY 0
209 zfs_vn_rdwr(enum uio_rw rw, vnode_t *vp, caddr_t base, ssize_t len,
210 offset_t offset, enum uio_seg seg, int ioflag, int ulimit, cred_t *cr,
213 struct thread *td = curthread;
214 int error, vfslocked, resid;
217 ASSERT(ulimit == RLIM64_INFINITY);
219 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
220 if (rw == UIO_WRITE) {
225 error = vn_rdwr(rw, vp, base, len, offset, seg, ioflag, cr, NOCRED,
227 VFS_UNLOCK_GIANT(vfslocked);
229 *residp = (ssize_t)resid;
232 #define vn_rdwr(rw, vp, base, len, offset, seg, ioflag, ulimit, cr, residp) \
233 zfs_vn_rdwr((rw), (vp), (base), (len), (offset), (seg), (ioflag), (ulimit), (cr), (residp))
236 zfs_vop_fsync(vnode_t *vp, int flag, cred_t *cr)
239 int error, vfslocked;
241 ASSERT(flag == FSYNC);
243 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
244 if ((error = vn_start_write(vp, &mp, V_WAIT | PCATCH)) != 0)
246 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
247 error = VOP_FSYNC(vp, MNT_WAIT, curthread);
249 vn_finished_write(mp);
251 VFS_UNLOCK_GIANT(vfslocked);
254 #define VOP_FSYNC(vp, flag, cr, ct) zfs_vop_fsync((vp), (flag), (cr))
257 zfs_vop_close(vnode_t *vp, int flag, int count, offset_t offset, cred_t *cr)
259 int error, vfslocked;
264 vfslocked = VFS_LOCK_GIANT(vp->v_mount);
265 error = vn_close(vp, flag, cr, curthread);
266 VFS_UNLOCK_GIANT(vfslocked);
269 #define VOP_CLOSE(vp, oflags, count, offset, cr, ct) \
270 zfs_vop_close((vp), (oflags), (count), (offset), (cr))
273 vn_rename(char *from, char *to, enum uio_seg seg)
276 ASSERT(seg == UIO_SYSSPACE);
278 return (kern_rename(curthread, from, to, seg));
282 vn_remove(char *fnamep, enum uio_seg seg, enum rm dirflag)
285 ASSERT(seg == UIO_SYSSPACE);
286 ASSERT(dirflag == RMFILE);
288 return (kern_unlink(curthread, fnamep, seg));
291 #endif /* _OPENSOLARIS_SYS_VNODE_H_ */